We’re now only 46 days away from next month’s historic wedding between Prince William and Kate Middleton, and RadarOnline.com has learned that Kate’s party-planning sister Pippa, in an effort to keep plans for Kate’s bachelorette bash unknown, has booked four venues for the soiree.

Pippa has also slated a bash at the family’s Bucklebury, Berkshire home with a Dirty Dancing theme, the Daily Mail reported.